/Engine/Source/Editor/UnrealEd/Public/EditorLevelUtils.h
Creates a new streaming level in the current world
Returns the newly created level, or NULL on failure
static [ULevelStreaming](API\Runtime\Engine\Engine\ULevelStreaming) * CreateNewStreamingLevel ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [ULevelStreaming](API\Runtime\Engine\Engine\ULevelStreaming) > LevelStreamingClass, const [FString](API\Runtime\Core\Containers\FString) & NewLevelPath, bool bMoveSelectedActorsIntoNewLevel )